Home / 27,078,764.20-40,616,651.24-19,799,683.26

Finding the Fourth Proportional to 27,078,764.20, 40,616,651.24 and 19,799,683.26

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Solution

The fourth proportional to 27,078,764.20, 40,616,651.24 and 19,799,683.26 is: 29,698,431.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,078,764.20 : 40,616,651.24 = 19,799,683.26 : x
  2. Step 2: Convert to fraction form
    27,078,764.20/40,616,651.24 = 19,799,683.26/x
  3. Step 3: Cross multiply
    27,078,764.20x = 40,616,651.24 × 19,799,683.26
  4. Step 4: Simplify right side
    27,078,764.20x = 804,196,829,633,886.38
  5. Step 5: Solve for x
    x = 804,196,829,633,886.38/27,078,764.20
  6. Step 6: Final answer
    x = 29,698,431.72

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.